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Spectrum of the applicability of technologies and materials of grained in infrastructure projects

While most of the world was forced to close in the midst of the pandemic, the construction of the infrastructure continued, since this sector is recognized as the most important service and the driver's growth driver of the Russian economy.

Infrastructure projects are growing rapidly throughout Russia, and progress continues on unprecedented levels.These works include large tunnel, automotive and railway projects throughout the country, including civil infrastructure and work to update objects.However, since the economy is immersed in recession, maintaining construction projects at the proper level and within the budget will be critical.

Граундтек helps engineers and contractors maintain performance through the use of solutions specific to asset recultivation and stopping damage, which are cost-effective, fast-acting and non-invasive. The range of specialized resins, gels and coatings is designed to revitalize, seal, protect and constructively strengthen the wide range of objects, including the destructive effects of water. Water entering can occur due to geotechnical conditions, which are either found during construction, or appeared over time due to operating factors, including corrosion and weakened soil.

This article discusses the general problems that may arise during the construction stage of large infrastructure projects, as well as the innovative solutions available in the Russian Federation, can help engineers and construction professionals approach complex geotechnical issues during earthworks. and laying tunnels. These solutions provide construction not only more secure and constructive substantiated, but also more efficient and economical technology, due to their unique properties and methods of application.

 

Using specialized resins, gels and coatings to restore the structural integrity of underground objects

Underground road and tunnel projects can cause terrestrial problems that the contractors have historically solved using concrete. Control procedures may be required in areas with low water levels, as happens in many internal areas of St. Petersburg. Deep earthworks in these areas are subject to groundwater inflow, which can significantly affect the cost and duration of the construction project. In the same way, weaker ground conditions can contribute to the emergence of settlement problems and considerable recovery costs in the future.

Wear-resistant solutions, including specialized resins, gels and coatings, can help stop water leakage, seal seams and cracks, consolidate soil and protect metal structures from corrosion. Specialized products Граундтек for water hold, chemical injection suitable for use in both wet and dry conditions, which makes them particularly useful for large infrastructure projects with complex primer conditions. Our advanced range of engineering solutions is non-invasive technologies that have been used to restore and preserve all types of structures, including commercial buildings, industrial facilities, residential facilities and cultural heritage facilities, as well as large civil infrastructure facilities.

 

Tunneling and drilling projects, where deep excavations are required, can represent unique geological and environmental threats due to various soil textures that can vary from large cracks, clay layers, soft shale and wet sandstone.These various soil substrates can cause problems requiring innovative solutions to limit or eliminate water seeping, solving the problem of the sustainability of the soil base and to improve the structural integrity of the tunnel or cavity.

The existing geological conditions identified before the start of work or the project detected during the implementation may also affect the construction phase of infrastructure facilities.For example, paleocanlars (deep ground sediments), which are common in some parts of the city and are ancient rivers filled with aluminum, a soft sediment, through which water is easily held at a depth of 50 meters under the ground.They may be the cause of water in the tunnel cavity or ventilation shaft.

The solution of these complex tasks requires special knowledge of adapting a construction project to specific underground conditions in tunnels and around them, such as a large transport or communal infrastructure, which is currently being built in St. Petersburg and Moscow.Граундтек can apply innovative solutions to stop water, including injection machining of rocks and substrates, using a number of specially designed products, such as resin, silica or acrylic polymers.

Each solution has high strength properties in compression for underground use, and some of them have a quick setting time to control water flows that can reach 250 liters per minute.These proven highly efficient flow control methods and water receipts may be crucial in emergency situations when it is necessary to quickly solve the problem, providing both safety and long-term assets.

Published: Jan. 29, 2020 by author Groundtek

13 сomments

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Starostina Alena· June 28, 2020

And how does this material affect the environment?

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Aleksandr Efimchik (inzhener GROUNDTEK) June 28, 2020

The material does not have any impact on the environment.Even drinking water can be working - no effects will be rendered

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Gavrilova Alla· June 28, 2021

It seems to me such projects are subject to purely state examination and fulfillment ...

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Aleksandr Sinchenko (inzhener GROUNDTEK) June 28, 2021

Of course, this kind of projects requires not the sole participation of the contractor's company.However, there is experience and documentation for examination, and its passage.

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Kuleshov Vitalij· Sept. 28, 2020

Was the technology can be actively used in the subway?

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Evgenij Novitskij (inzhener GROUNDTEK) Sept. 28, 2020

Yes, you can.In Europe and America and do.However, if initially design work does not guarantee or do not confirm with time their quality, then such technologies are separately purchased on the insuring case of already conducting the organization

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Postnikov Matvej· May 28, 2020

I apologize, the projects of which you say requires a high level of competencies and deep experience.Does it have from your engineers or do you use the historical experience of GroundTek?

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Aleksandr Efimchik (inzhener GROUNDTEK) May 28, 2020

Of course, we have all the necessary staff for independent implementation of turnkey projects.However, as a plus we communicate with the engineers of Hendtek worldwide to exchange experience and development.

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Mescherjakov Dmitrij· May 28, 2021

Is it possible using empty technology, solve road surface problems

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Evgenij Novitskij (inzhener GROUNDTEK) May 28, 2021

It all depends on the type of coating and the type of base.In general, the answer is yes, you can.But as in any situation, we must deal with the reasons for what is happening.

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Kazantseva Tamara· May 27, 2020

What guarantees do you provide?

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Aleksandr Efimchik (inzhener GROUNDTEK) May 27, 2020

We provide a guarantee for materials and quality quality up to 60 years.The warranty can be distributed both to the entire building and on its parts

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Orehova Alla· Jan. 28, 2021

With direct visible problems with the penetration and tunneling and the performers themselves are able to deteriorate ... How to be with risks when laying tunnels?

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Aleksandr Sinchenko (inzhener GROUNDTEK) Jan. 28, 2021

For more complex problems, the company has developed compensatory injection technologies in the processes of soil separation or voltage states.For example, when thawing the base or when laying a tunnel near or under buildings

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Zotov Dmitrij· Feb. 27, 2020

Do you have experience in the subway?

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Aleksandr Sinchenko (inzhener GROUNDTEK) Feb. 27, 2020

Specifically, we do not have, I did not happen.But in colleagues from the UK and Italy, the experience of permanent work with the local metrostroite is also expanding

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Lazareva Nadezhda· Oct. 28, 2021

Is it possible to apply a spraying material to seal seams or insulation of structures?

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Evgenij Novitskij (inzhener GROUNDTEK) Oct. 28, 2021

Unfortunately, this type of work is carried out by other equipment and other materials.Grained materials are specially designed to work in soils to solve geotechnical tasks

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Cherkasov Georgij· Oct. 27, 2020

Is it possible to use your material to enhance the soil, at the preparation stage for construction?

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Aleksandr Sinchenko (inzhener GROUNDTEK) Oct. 27, 2020

Theoretically, yes, but you need to learn the project.This can be economically not appropriate.It is important to know the task and restrictions.

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Miheev Artem· Dec. 28, 2020

And you can stop the high pressure or solve the problem when the water "swing"?

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Aleksandr Sinchenko (inzhener GROUNDTEK) Dec. 28, 2020

If the high pressure pipe is seriously damaged and there is a corresponding fluid stream, then, unfortunately, we cannot give a unambiguous answer: it is necessary to study a specific case

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Gusev Vitalij· Aug. 28, 2020

Looking for an article ... Only about waterproofing is we talking about?More help from you not to wait?

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Aleksandr Sinchenko (inzhener GROUNDTEK) Aug. 28, 2020

No, not only.I just did not want to write about the traditional strengthening of soils.However, the assortment has an anchors and primer systems

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Glebova Milana· July 28, 2020

Good day!
Tell me, whether the possibility of replacing the soil freezing polymer, for example, during the construction of the subway tunnel?

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Evgenij Novitskij (inzhener GROUNDTEK) July 28, 2020

The question is not entirely understood, but if he is about that, it is possible to replace the soil with frost with frost, then the answer is yes -

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